S&I: Sensing and Intellectualizing Technology
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Assist. Prof.EMOTO, Masahiko

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emoto.masahiko
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    I have been engaged in enhancing data management and analysis infrastructure, as well as improving the research environment, primarily for experiments conducted on the Large Helical Device (LHD) at the National Institute for Fusion Science (NIFS).

    Around 1998, experimental data obtained from LHD were managed separately by individual diagnostic systems. As a result, researchers had to manually collect distributed data across networks to perform integrated analyses, limiting comprehensive studies to only a subset of plasma discharges. To address this issue, I developed a centralized data management system based on a database, along with visualization tools and automated analysis processes that take into account dependencies among datasets. These developments enabled comprehensive analysis across all plasma discharges and significantly improved the data analysis environment for LHD experiments. This work was highly recognized and received the Technical Advancement Award from the Japan Society of Plasma Science and Nuclear Fusion Research in 2015.

    Since LHD experiments are conducted as nationwide collaborative research projects, I also contributed to the development of systems enabling remote participation. By developing applications utilizing multicast communication and web technologies, I established an environment in which researchers can participate in experiments in real time from remote locations, thereby improving operational efficiency.

    Furthermore, I redesigned the atomic and molecular database provided by NIFS, which had originally been developed in the 1990s and was no longer suitable for modern internet environments. Using current technologies, I modernized the system and implemented an interface that enables cross-searching of distributed databases under an international collaboration framework, thereby enhancing global accessibility of research infrastructure.

    Currently, I am working on extending the technologies developed for LHD to other experimental devices, as well as developing data processing systems for the next-generation CHD experiment. In addition, I am promoting the development of systems for open access to experimental data.

Papers